<!--
 * @Description: 练习1
 * @Version: 2.0
 * @Author: Guodong Ma
 * @Date: 2021-08-13 19:22:18
 * @LastEditors: Guodong Ma
 * @LastEditTime: 2021-08-15 21:32:19
-->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>第一个html</title>
</head>
<body>
    <h1>hello world!</h1>
    <class class="one" id="one" title="abc">dajp</class>
    <a href="https://www.baidu.com" target="_blank">百度一下，你就知道</a>
    <img src="a.jpg" alt="图片找不到了...">
</body>
</html>